WLAN and Bluetooth Driver Update Program (WLAN:24.20.0.4 / Bluetooth:24.20.0.3) FZ-40[A/B/C/D], FZ-55[D/E/F] series

  • Home
  • WLAN and Bluetooth Driver Update Program (WLAN:24.20.0.4 / Bluetooth:24.20.0.3) FZ-40[A/B/C/D], FZ-55[D/E/F] series
Category Communication Network
Model FZ-40[A/B/C/D] (mk1)
FZ-55[D/E/F] (mk2)
Operating System Windows 11 Pro 64bit
Language MUI,English
Release Date 5/26/26
File Name wlan_bt_update_v24_20.zip 73,398,692 bytes
Index No 86881

Version

- WLAN Driver : 24.20.0.4
- Bluetooth Driver : 24.20.0.3

Reason for Update

This software is the countermeasure drivers to fix the following issue and vulnerability.

  1. Vulnerability Information
    INTEL-SA-00520, INTEL-SA-00539, INTEL-SA-00540, INTEL-SA-00581, INTEL-SA-00582,
    INTEL-SA-00604, INTEL-SA-00606, INTEL-SA-00621, INTEL-SA-00628, INTEL-SA-00699,
    INTEL-SA-00766, INTEL-SA-00947, INTEL-SA-01039, INTEL-SA-01108, INTEL-SA-01167,
    INTEL-SA-01224, INTEL-SA-01270, INTEL-SA-01398
  2. This version improves the stability of Wi-Fi driver and Bluetooth driver.

Notes

  1. Please update to the latest version if there are any updates available for Intel® CSME firmware or Intel® CSME driver.
     ≫ Intel® Converged Security and Management Engine (CSME) Firmware and Driver update program
  2. Please surely sign-in with “administrator” user account when you execute updating.
    (Do NOT use “Fast User Switching” function. Then sign in with administrator user account and operate the procedure.)
  3. Perform this procedure with the AC adapter and a sufficiently charged battery pack attached.

Revision History

- May 26, 2026 : Released the first edition. (WLAN:24.20.0.4 / Bluetooth:24.20.0.3)

Contents List of Download Files

WLAN Driver Update Program : wlan_v24_20_0_4.exe
Bluetooth Driver Update Program : bt_v24_20_0_3.exe
WLAN Driver and Bluetooth Driver Update Instructions (English/Japanese)